论文标题
搜索Higgs Boson腐烂到Z和J/$ψ$，以及Higgs和Z Boson腐烂到J/$ψ$或$购$ Pairs in Pp Collisions in Pp Collisions in $ \ sqrt {s} $ = 13 tev
Search for Higgs boson decays into Z and J/$ψ$ and for Higgs and Z boson decays into J/$ψ$ or $Υ$ pairs in pp collisions at $\sqrt{s}$ = 13 TeV
论文作者
论文摘要
将希格斯玻色子腐烂到Z玻色子中，并在LHC的CMS探测器中搜索了在四律师最终状态中搜索J/$ψ$或$ψ$（2s）的梅森。使用了与138 fb $^{ - 1} $的集成光度相对应的质子 - 普罗顿碰撞的数据集。使用相同的数据集，还搜索了Higgs和Z Boson的腐烂成Quarkonium对。该样品对这种衰变的观察将表明超出标准模型的物理学。尚未观察到这些衰减的证据，并且在相应的分支分数（$ \ Mathcal {B} $）上放置了95％置信度的上限。假设希格斯玻色子衰减产品的纵向极化，则观察到95％的置信水平在$ \ Mathcal {b} $（h $ \ to $ j/$ψ$）和$ \ Mathcal {b} $（H $ \ $ \ $ \ to $ z $ψ$（2S））的$ 1.9 $ \ $ \ $ \ $ \ 3时， 6.6 $ \ times $ 10 $^{ - 3} $。
Decays of the Higgs boson into a Z boson and a J/$ψ$ or $ψ$(2S) meson are searched for in four-lepton final states with the CMS detector at the LHC. A data set of proton-proton collisions corresponding to an integrated luminosity of 138 fb$^{-1}$ is used. Using the same data set, decays of the Higgs and Z boson into quarkonium pairs are also searched for. An observation of such decays with this sample would indicate the presence of physics beyond the standard model. No evidence for these decays has been observed and upper limits at the 95% confidence level are placed on the corresponding branching fractions ($\mathcal{B}$). Assuming longitudinal polarization of the Higgs boson decay products, 95% confidence level observed upper limits for $\mathcal{B}$(H $\to$ J/$ψ$) and $\mathcal{B}$(H $\to$ Z$ψ$(2S)) are 1.9$\times$10$^{-3}$ and 6.6$\times$10$^{-3}$, respectively.
